A researcher examines the accounting records of Noren Corporation for the past five years in order to determine why the company filed for bankruptcy. This research method can be regarded as an example of

A researcher examines the accounting records of Noren Corporation for the past five years in order to determine why the company filed for bankruptcy. This research method can be regarded as an example of a case study.

Explanation:

A study method or report in which the creation of a particular individual, community or circumstance is discussed in detail over a period of time. The method included in a case study are like description of the actions is provided by the investigator. This emerges from interviews and other sources including analysis. The researcher then as the case study reports the details from both perspectives above and interprets the data. Here Noren Corporation have been studied for the past five years to establish a case study for further investigation.

answer; i believe the correct answer is radioactive decay);

107x106 is the answer